7439320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^2$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 19247760

約数和(自身を除く): 11808440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 815, 1141, 1304, 1630, 2282, 3260, 4564, 5705, 6520, 9128, 11410, 22820, 26569, 45640, 53138, 106276, 132845, 185983, 212552, 265690, 371966, 531380, 743932, 929915, 1062760, 1487864, 1859830, 3719660, 7439320]

約数ペア:

[(1, 7439320), (2, 3719660), (4, 1859830), (5, 1487864), (7, 1062760), (8, 929915), (10, 743932), (14, 531380), (20, 371966), (28, 265690), (35, 212552), (40, 185983), (56, 132845), (70, 106276), (140, 53138), (163, 45640), (280, 26569), (326, 22820), (652, 11410), (815, 9128), (1141, 6520), (1304, 5705), (1630, 4564), (2282, 3260)]